/*

 * Copyright (C) 2021 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package org.zakariya.flyoutmenu;


import ohos.agp.window.service.Display;
import ohos.agp.window.service.DisplayAttributes;
import ohos.agp.window.service.DisplayManager;
import ohos.app.Context;

import java.util.Optional;

/**
 * DensityUtil 工具
 */
public class DensityUtil {
    /**
     * dip2px
     *
     * @param context context
     * @param dpValue dp
     * @return float
     */
    public static double dip2px(Context context, double dpValue) {
        final int scale = getDensityDpi(context);
        return dpValue * scale + 0.5f;
    }

    /**
     * getDensityDpi
     *
     * @param context context
     * @return float
     */
    private static int getDensityDpi(Context context) {
        Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
        DisplayAttributes displayAttributes = display.get().getAttributes();
        return displayAttributes.densityDpi;
    }
}
